HS-314 2-Hydroxyphosphonocarboxylic Acid (HPAA)
Product name
HS-314 2-Hydroxyphosphonocarboxylic Acid (HPAA)
CAS No.
23783-26-8
Alias
HPA
Molecular Formula
C2H5O6P
Molecular Weight
156
Structural Formula
Properties & Use
Good chemical stability, safe use, non-toxic; mainly used as cathodic corrosion inhibitor for metals.
Specifications
Conform to HG/T 3926-2007
Conform to HG/T 3926-2007
Item
Details
Appearance
dark brown liquid
Solid content % ≥
50
Organic phosphorus（PO43-）% ≥
25
Phosphoric acid（PO43-）% ≤
1.5
Phosphorous acid（PO33-）% ≤
3
Density（20℃）g/cm3≥
1.3
pH-value (10g/L aqueous solution) ≤
3
Packing & Storage
In plastic drum, 30kg/drum. Stored in cool place indoors, shelf life is 12 months.
Safety Protection
Avoid contact with skin and eyes; wash with plenty of water.